Yamaha YZF-R125 Service Manual: Checking the steering head

Yamaha YZF-R125 Service Manual / Chassis / Steering head / Checking the steering head

1. Wash:

  • Bearings
  • Bearing races

2. Check:

  • Bearings
  • Bearing races Damage/pitting →Replace.

3. Replace:

  • Bearings
  • Bearing races

a. Remove the bearing races from the steering head pipe with a long rod "1" and hammer.

b. Remove the bearing race from the lower bracket with a floor chisel "2" and hammer.

c. Install a new dust seal and new bearing races.

CAUTION:

If the bearing races are not installed properly, the steering head pipe could be damaged.

NOTE:

  • Always replace the bearings and bearing races as a set.
  • Whenever the steering head is disassembled, replace the dust seal.

Checking the steering head


4. Check:

  • Upper bracket
  • Lower bracket (along with the steering stem) Bends/cracks/damage →Replace.
    Removing the lower bracket
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Remove: Upper ring nut Rubber washer Lower r ...

    Installing the steering head
    1. Lubricate: Upper bearing Lower bearing Bearing races 2. Install: Lower ring nut Rubber washer Upper ring nut Lock washer Refer to "CHECKING AND ADJUSTING THE STEERING HEAD ...

    Other materials:

    Removing the front brake caliper
    NOTE: Before disassembling the brake caliper, drain the brake fluid from the entire brake system. 1. Remove: Brake hose union bolt "1" Copper washers "2" Brake hose "3" NOTE: Put the end of the brake hose into a container and pump out the brake fluid carefully. ...

    Genuine Yamaha Accessories
    Choosing accessories for your vehicle is an important decision. Genuine Yamaha accessories, which are available only from a Yamaha dealer, have been designed, tested, and approved by Yamaha for use on your vehicle. Many companies with no connection to Yamaha manufacture parts and access ...

    Bleeding the hydraulic brake system
    WARNINGBleed the hydraulic brake system whenever: the system is disassembled. a brake hose is loosened, disconnected or replaced. the brake fluid level is very low. brake operation is faulty. NOTE: Be careful not to spill any brake fluid or allow th ...

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